diff options
Diffstat (limited to 'kernel/kthread.c')
-rw-r--r-- | kernel/kthread.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c index 96cff2f8710b..50598e29439a 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c | |||
@@ -13,6 +13,7 @@ | |||
13 | #include <linux/file.h> | 13 | #include <linux/file.h> |
14 | #include <linux/module.h> | 14 | #include <linux/module.h> |
15 | #include <linux/mutex.h> | 15 | #include <linux/mutex.h> |
16 | #include <trace/sched.h> | ||
16 | 17 | ||
17 | #define KTHREAD_NICE_LEVEL (-5) | 18 | #define KTHREAD_NICE_LEVEL (-5) |
18 | 19 | ||
@@ -206,6 +207,8 @@ int kthread_stop(struct task_struct *k) | |||
206 | /* It could exit after stop_info.k set, but before wake_up_process. */ | 207 | /* It could exit after stop_info.k set, but before wake_up_process. */ |
207 | get_task_struct(k); | 208 | get_task_struct(k); |
208 | 209 | ||
210 | trace_sched_kthread_stop(k); | ||
211 | |||
209 | /* Must init completion *before* thread sees kthread_stop_info.k */ | 212 | /* Must init completion *before* thread sees kthread_stop_info.k */ |
210 | init_completion(&kthread_stop_info.done); | 213 | init_completion(&kthread_stop_info.done); |
211 | smp_wmb(); | 214 | smp_wmb(); |
@@ -221,6 +224,8 @@ int kthread_stop(struct task_struct *k) | |||
221 | ret = kthread_stop_info.err; | 224 | ret = kthread_stop_info.err; |
222 | mutex_unlock(&kthread_stop_lock); | 225 | mutex_unlock(&kthread_stop_lock); |
223 | 226 | ||
227 | trace_sched_kthread_stop_ret(ret); | ||
228 | |||
224 | return ret; | 229 | return ret; |
225 | } | 230 | } |
226 | EXPORT_SYMBOL(kthread_stop); | 231 | EXPORT_SYMBOL(kthread_stop); |